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Improving Safety By Computerizing Outpatient Prescribing

This study has been completed.
Information provided by (Responsible Party):
david bates, Agency for Healthcare Research and Quality (AHRQ) Identifier:
First received: October 6, 2005
Last updated: July 20, 2015
Last verified: July 2015
Patient safety is at the forefront of critical issues in health care. Medications are the single most frequent cause of adverse events, and in the inpatient setting adverse drug events (ADEs) are common, expensive, injurious to patients, and often preventable. Relatively little, however, is known about the frequency of ADEs in the ambulatory setting, how to monitor for outpatient ADEs, or on the impact of prevention strategies such as computerization of prescribing supplemented by decision-support.

Condition Intervention
Impact of Electronic Prescribing on Medication Safety Other: Adverse Drug Event Monitoring

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Single Blind (Care Provider)
Primary Purpose: Treatment
Official Title: Improving Safety By Computerizing Outpatient Prescribing

Resource links provided by NLM:

Further study details as provided by david bates, Agency for Healthcare Research and Quality (AHRQ):

Primary Outcome Measures:
  • Preventable Adverse drug events [ Time Frame: 8/5/2004 - 1/5/2005 ]
    Data were electronically collected each time a physician entered a prescription that triggered an alert related to medication safety.

Secondary Outcome Measures:
  • Total adverse drug events, medication errors [ Time Frame: 1/15/2001 - 5/15/2001 ]

Enrollment: 701
Study Start Date: August 2000
Study Completion Date: December 2010
Primary Completion Date: December 2010 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: Adverse Drug Event Monitoring
In this intervention arm, clinicians received medication safety alerts when they prescribed medications in the electronic medical record.
Other: Adverse Drug Event Monitoring
The intervention in this study is the presentation of medication safety alerts in the electronic medical record to improve patient outcomes and safety.
No Intervention: Care as Usual
In this arm, clinicians did not receive the medication safety alerts.

Detailed Description:

Specific Aim 1: Increase routine identification of outpatient adverse drug events (ADEs) through development of a computerized ADE detection monitor.

Specific Aim 2: Use basic computerized outpatient prescribing to reduce preventable ADEs in a diverse array of outpatient settings.

Specific Aim 3: Use advanced decision-support within computerized prescribing to reduce the frequency of preventable ADEs, medication errors, and potential ADEs.


Ages Eligible for Study:   18 Years and older   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes

Inclusion Criteria: At Brigham & Women's Hospital, clinics utilizing the electronic medical record will be included. At Regenstrief, any clinic that has access to their electronic medical record will be utilized.

  • For the impact of basic decision support, clinics were not randomized
  • For impact of advanced decision support, clinics were randomized to receive the intervention

Exclusion Criteria:

  • Clinics not using electronic medical records
  Contacts and Locations
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Please refer to this study by its identifier: NCT00235027

United States, Indiana
Regenstrief/Indiana University
Indianapolis, Indiana, United States
United States, Massachusetts
Brigham and Women's Hospital
Boston, Massachusetts, United States, 02115
Sponsors and Collaborators
Agency for Healthcare Research and Quality (AHRQ)
Study Director: Tejal K Gandhi, MD, MPH Brigham and Women's Hospital
Principal Investigator: David Bates, MD Brigham and Women's Hospital
Study Director: Marc Overhage, MD Regenstrief Institute, Inc.
  More Information

Additional Information:
Responsible Party: david bates, Chief of General Internal Medicine, BWH, Agency for Healthcare Research and Quality (AHRQ) Identifier: NCT00235027     History of Changes
Other Study ID Numbers: RO1 HS 11169
Study First Received: October 6, 2005
Last Updated: July 20, 2015 processed this record on July 21, 2017